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Broadtooth lady's mantle

Alchemilla subcrenata · Rosaceae

The gardener's calendar

The right move for September

Ideal time to plant broadtooth lady's mantle: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Foliage
Deciduous, light green, finely scalloped
Flowering
June to September, yellow-green flowers
Mature size
30 to 50 cm tall × 40 to 60 cm wide
Growth
Moderate to fast
Hardiness
Very hardy, down to -15 °C
Origin
Temperate regions of Europe and Asia
Soil type
Fresh, well-drained, tolerant

Care

Watering

Water regularly during the growing season to keep the soil fresh but not waterlogged. Reduce watering in autumn and winter. The plant appreciates humidity, particularly during hot, dry weather.

Exposure

Position your alchemilla in full sun to partial shade. It tolerates dappled shade well and even enjoys light shade in hot regions. Avoid areas that are too scorching in summer.

Soil and planting

Prepare well-drained, fertile soil enriched with organic matter. Alchemilla is tolerant and adapts to different soil types, but prefers neutral to slightly acidic pH. Mulch around the base to retain moisture.

Pruning and maintenance

Cut the plant back hard in spring (February-March) before new growth begins. Regularly remove faded flowers to encourage fresh blooming. It self-seeds easily if you leave some seeds to drop.

Fertilising

Apply compost or balanced organic fertiliser in spring. Additional supplementation is generally unnecessary if the soil is rich. Renew the mulch each autumn.

Diseases and pests

Alchemilla is prone to few diseases. Watch for excess moisture that can encourage powdery mildew in confined conditions. No major pests really affect it; good air circulation is generally enough to prevent problems.

Did you know?

Since the Middle Ages, alchemilla has been associated with alchemy: its leaves collect and retain morning dew drops, which alchemists believed possessed magical properties. This genuine botanical phenomenon is explained by the water-repellent structure of its scalloped leaves, which accounts for its centuries-old appeal in herb and medicinal gardens.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.